🧹 cleaned up blackjack.py

.gitignore

@@ -157,6 +157,7 @@ gwendolyn/resources/star_wars/destinyPoints.txt
 gwendolyn/resources/plex/
 gwendolyn/resources/games/hilo/
 gwendolyn/resources/games/blackjack_tables/
+gwendolyn/resources/games/images/
 gwendolyn/resources/games/old_images/
 gwendolyn/resources/games/connect_four_boards/
 gwendolyn/resources/games/hex_boards/

gwendolyn/cogs/game_cog.py

@@ -53,7 +53,7 @@ class BlackjackCog(commands.Cog):
         await self.bot.games.blackjack.enter_game(ctx, bet)
 
     @cog_ext.cog_subcommand(**params["blackjack_stand"])
-    async def blackjack_stand(self, ctx, hand=""):
+    async def blackjack_stand(self, ctx, hand=0):
         """Stand on your hand in blackjack."""
         await self.bot.games.blackjack.stand(ctx, hand)
 

gwendolyn/funcs/games/game_base.py

@@ -0,0 +1,219 @@
+"""Base class for the games."""
+import random
+from shutil import copyfile
+
+from discord import File
+from discord.abc import Messageable
+
+from PIL import ImageFont, Image, ImageDraw
+
+class GameBase():
+    """The base class for the games."""
+
+    def __init__(self, bot):
+        """Initialize the class."""
+        self.bot = bot
+        self.database = self.bot.database
+        self.long_strings = self.bot.long_strings
+        self.resources =  "gwendolyn/resources/games/"
+        self.game_name = ""
+        self.old_images_path = f"{self.resources}old_images/{self.game_name}"
+        self.draw = BaseDrawer(bot, self)
+
+    def access_document(self, channel: str, collection_name: str="games"):
+        collection = self.bot.database[f"{self.game_name} {collection_name}"]
+        return collection.find_one({"_id": channel})
+
+    def _update_document(self, channel: str, updater: dict,
+                         collection_name: str="games"):
+        self.database[f"{self.game_name} {collection_name}"].update_one(
+            {"_id": channel},
+            updater,
+            upsert=True
+        )
+
+    def _delete_document(self, channel: str, collection_name: str="games"):
+        self.database[f"{self.game_name} {collection_name}"].delete_one(
+            {"_id": channel}
+        )
+
+    def _insert_document(self, data: dict, collection_name: str="games"):
+        self.database[f"{self.game_name} {collection_name}"].insert_one(data)
+
+    async def _delete_old_image(self, channel: Messageable):
+        with open(self.old_images_path + str(channel.id), "r") as file_pointer:
+            old_image = await channel.fetch_message(int(file_pointer.read()))
+
+        await old_image.delete()
+
+    async def _send_image(self, channel: Messageable):
+        self.draw.draw(str(channel.id))
+        file_path = f"{self.resources}images/blackjack{channel.id}.png"
+        old_image = await channel.send(file=File(file_path))
+        with open(self.old_images_path + str(channel.id), "w") as file_pointer:
+            file_pointer.write(str(old_image.id))
+
+    async def _start_new(self, channel: Messageable, new_game: dict):
+        self._insert_document(new_game)
+        default_image = f"{self.resources}default_images/{self.game_name}.png"
+        new_image = f"{self.resources}images/{self.game_name}{channel.id}.png"
+        copyfile(default_image, new_image)
+
+        await self._send_image(channel)
+
+
+class CardGame(GameBase):
+    """The class for card games."""
+    def __init__(self, bot):
+        """Initialize the class."""
+        super().__init__(bot)
+        self.decks_used = 1
+
+    def _shuffle_cards(self, channel: str):
+        self.bot.log(f"Shuffling cards for {self.game_name}")
+        with open(f"{self.resources}deck_of_cards.txt", "r") as file_pointer:
+            deck = file_pointer.read()
+
+        all_decks = deck.split("\n") * self.decks_used
+        random.shuffle(all_decks)
+
+        self._update_document(
+            channel,
+            {"$set": {"_id": channel, "cards": all_decks}},
+            "cards"
+        )
+
+    def _draw_card(self, channel: str):
+        """
+        Draw a card from the stack.
+
+        *Parameters*
+        ------------
+            channel: str
+                The id of the channel the card is drawn in.
+        """
+        self.bot.log("drawing a card")
+
+        drawn_card = self.access_document(channel, "cards")["cards"][0]
+        self._update_document(channel, {"$pop": {"cards": -1}}, "cards")
+
+        return drawn_card
+
+class BaseDrawer():
+    """Class for drawing games."""
+    def __init__(self, bot, game: GameBase):
+        self.bot = bot
+        self.game = game
+        self.fonts_path = "gwendolyn/resources/fonts/"
+        self.font_name = "futura-bold"
+
+        self.resources = game.resources
+        game_name = game.game_name
+        self.default_image = f"{self.resources}default_images/{game_name}.png"
+        self.images_path = f"{self.resources}images/{game_name}"
+
+    def _draw_image(self, game: dict, table: Image.Image):
+        pass
+
+    def draw(self, channel: str):
+        game = self.game.access_document(channel)
+        image = Image.open(self.default_image)
+        self._draw_image(game, image)
+        self._save_image(image, channel)
+
+    def _get_font(self, size: int, font_name: str = None):
+        if font_name is None:
+            font_name = self.font_name
+        return ImageFont.truetype(f"{self.fonts_path}{font_name}.ttf", size)
+
+    def _adjust_font(self, max_font_size: int, text: str, max_text_size: int,
+                     font_name: str = None):
+        font_size = max_font_size
+        font = self._get_font(font_size, font_name)
+        text_width = font.getsize(text)[0]
+
+        while text_width > max_text_size:
+            font_size -= 1
+            font = self._get_font(font_size, font_name)
+            text_width = font.getsize(text)[0]
+
+        return font, font_size
+
+    def _save_image(self, image: Image.Image, channel: str):
+        self.bot.log("Saving image")
+        image.save(f"{self.images_path}{channel}.png")
+
+    def _draw_shadow_text(self, text: str, colors: list[tuple[int, int, int]],
+                          font_size: int):
+        font = self._get_font(font_size)
+        offset = font_size//20
+        shadow_offset = font_size//10
+
+        text_size = list(font.getsize(text))
+        text_size[0] += 1 + (offset * 2)
+        text_size[1] += 1 + (offset * 2) + shadow_offset
+
+        image = Image.new("RGBA", tuple(text_size), (0, 0, 0, 0))
+        text_image = ImageDraw.Draw(image)
+
+        for color_index, color in enumerate(colors[:-1]):
+            color_offset = offset//(color_index+1)
+            if color_index == 0:
+                color_shadow_offset = shadow_offset
+            else:
+                color_shadow_offset = 0
+
+            for i in range(4):
+                x_pos = [-1,1][i % 2] * color_offset
+                y_pos = [-1,1][(i//2) % 2] * color_offset + color_shadow_offset
+                position = (offset + x_pos, offset + y_pos)
+                text_image.text(position, text, fill=color, font=font)
+
+        text_image.text((offset, offset), text, fill=colors[-1], font=font)
+
+        return image
+
+class CardDrawer(BaseDrawer):
+    def __init__(self, bot, game: GameBase):
+        super().__init__(bot, game)
+        self.cards_path = f"{self.resources}cards/"
+
+        # pylint: disable=invalid-name
+        self.CARD_WIDTH = 691
+        self.CARD_HEIGHT = 1065
+
+        self.CARD_BORDER = 100
+        self.CARD_OFFSET = 125
+        # pylint: enable=invalid-name
+
+    def _set_card_size(self, wanted_card_width: int):
+        ratio = wanted_card_width / self.CARD_WIDTH
+        self.CARD_WIDTH = wanted_card_width
+        self.CARD_HEIGHT = int(self.CARD_HEIGHT * ratio)
+        self.CARD_BORDER = int(self.CARD_BORDER * ratio)
+        self.CARD_OFFSET = int(self.CARD_OFFSET * ratio)
+
+    def _draw_cards(self, hand: list[str], hidden_cards: int = 0):
+        image_width = (self.CARD_BORDER * 2) + self.CARD_WIDTH
+        image_width += (self.CARD_OFFSET * (len(hand)-1))
+        image_size = (image_width, (self.CARD_BORDER * 2) + self.CARD_HEIGHT)
+        background = Image.new("RGBA", image_size, (0, 0, 0, 0))
+
+        for i, card in enumerate(hand):
+            position = (
+                self.CARD_BORDER + (self.CARD_OFFSET*i),
+                self.CARD_BORDER
+            )
+
+            if i + hidden_cards < len(hand):
+                card_image = Image.open(f"{self.cards_path}{card.upper()}.png")
+            else:
+                card_image = Image.open(f"{self.cards_path}red_back.png")
+
+            card_image = card_image.resize(
+                (self.CARD_WIDTH, self.CARD_HEIGHT),
+                resample=Image.BILINEAR
+            )
+            background.paste(card_image, position, card_image)
+
+        return background

gwendolyn/gwendolyn_client.py

@@ -94,7 +94,7 @@ class Gwendolyn(commands.Bot):
             if filename.endswith(".py"):
                 self.load_extension(f"gwendolyn.cogs.{filename[:-3]}")
 
-    def log(self, messages, channel: str = "", level: int = 20):
+    def log(self, messages, channel: str = "", level: int = 20): # pylint:disable=no-self-use
         """Log a message. Described in utils/util_functions.py."""
         log_this(messages, channel, level)
 

gwendolyn/utils/util_functions.py

@@ -16,12 +16,12 @@ Contains utility functions used by parts of the bot.
                     new_string: str) -> str
     emoji_to_command(emoji: str) -> str
 """
+import string
 import json  # Used by long_strings(), get_params() and make_files()
 import logging  # Used for logging
 import os  # Used by make_files() to check if files exist
 import sys  # Used to specify printing for logging
 import imdb  # Used to disable logging for the module
-import string
 
 
 BASE_37 = ":" + string.digits + string.ascii_uppercase